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Finding the Fourth Proportional to 69,785.88, 96,329.57 and 41,491.50

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Solution

The fourth proportional to 69,785.88, 96,329.57 and 41,491.50 is: 57,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.88 : 96,329.57 = 41,491.50 : x
  2. Step 2: Convert to fraction form
    69,785.88/96,329.57 = 41,491.50/x
  3. Step 3: Cross multiply
    69,785.88x = 96,329.57 × 41,491.50
  4. Step 4: Simplify right side
    69,785.88x = 3,996,858,146.20
  5. Step 5: Solve for x
    x = 3,996,858,146.20/69,785.88
  6. Step 6: Final answer
    x = 57,273.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.